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#1
12-27-2013, 03:02 PM
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Any difference between these RCA CRTs?
Two Sears sets I have with the same size CRT, a table model with a HA66ADT14X01 CRT and a console with a A66ADT14X01. Does the one missing character at the beginning of the latter's code make any difference at all? I have been keeping the table model around for parts only.
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#2
12-27-2013, 05:48 PM
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Electronics wise the same. The first letter is the use code
A= TV M= monitor. First # is screen size in cm. The rest is the family & physical specs, things like neck size, bonded yoke, mounting, etc. The H is a mystery. May be just the type of screen glass or some other minor difference. I used to have a sheet on the scheme but its long gone. Maybe someone else has one. 73 Zeno 
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#4
01-07-2014, 11:23 AM
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HR=high-res, or smaller phosphor pixels. Not sure what "h" alone is.
Charles
__________________
Collecting & restoring TVs in Los Angeles since age 10
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#5
01-09-2014, 01:50 AM
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Maybe the H is really an A that was misprinted?
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#6
01-09-2014, 08:47 AM
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i believe the first letter is the color of the grid.i left the business in the mid 80s but remember that the crts back then had a 1st letter coding as to the color of the grid.some were light and some were dark and almost black.dont quote me but i think this is it
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